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TABLE I
<br /> MONI'T'ORING WELL PURGING AND SAMPLING DATA
<br /> DALLAS CORPORATION, D.B.A. 0/LDC
<br /> Well MW-1 Date: 20 April 1987
<br /> Military times 1454 1500 1505 1510 1515 1520 1525 1530' 1535 1540 1543
<br /> E .-{
<br /> tPurge rate/gpm: --- 0.46 0.46 0.46 0.46 0.46 0.46 0.46 0.46 0.46 -- k
<br /> PHI 6.81 6.93 6.85 6.85 6.86 6.85 6.83 6.86 6.83 --
<br /> Conductivity (umbos/em) s , --- 751 532 752 747 750 749 749 750 748 --
<br /> Temperature °C: -- 20.3 19.8 19.6 19.6 19.4 19.5 19.6 19.6 19.7 --
<br /> *Initial depth to water, ft. : 41 .23
<br /> *Final' 4bpth to water., ft. s 41 .22
<br /> +Static water level, ft. MSL: 14.60
<br /> Volume pumped, gallons: 22.61
<br /> Bore volumes purged: 6.36 k
<br /> Sample No. : 1046a 1047b 1048c
<br /> Well -No. - MW-2 Date: 20 April 1987
<br /> Military time: 1232 1245 1250 1255 1300 1305 1310 1315 1320
<br /> Purge rate/gpms -- 0.48 o.48 0.48 0.48 0.48 0.48 0.48 --
<br /> P11: -- 6.83 6.95 6.68 6.81 6.85 6.89 6.83
<br /> Conductivity (umhos/cm) ; 792 794 796 798 798 800 801 ---
<br /> Temperature Oct -- 19,4 19.1 19.2 19.2 19.1 19,2 19.3 -
<br /> *Initial depth to water, ft. : 41 .91 $
<br /> *Final depth to water, ft. : 41 .92
<br /> !-Static water level, ft, MSL: 14.57 . ,..
<br /> Volume pumped, gallons: 23.04
<br /> Bore volumes purged; 6.69
<br /> Sample No. : 1044a 1045°
<br /> Well No. MW-3 Date: 20 April 1987
<br /> Military time: _ _1017_ _-_ 1025- _ 1030 _--- 1035 1040 -1045 1050 1055 - 1100 1105 - 1108
<br /> Purge rate/gPm: -- 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 --
<br /> PH: -- 6.32 6.43 6 .52 6.51 6.59 6.56 6.58 6.65 6.49
<br /> Conductivity (umhos/cm) : ---- 295 294 303 295 302 304 299 301 302
<br /> Temperature °C: --- 17.5 17.6 17. 7 17.7 17.8 17.9 17.4 17.9 17.8 -
<br /> *Initial depth to water, ft. : 40.90 �} <:
<br /> *Final depth to water, ft. : 40.84
<br /> +Stati.c water level, ft. MSL: 14.83
<br /> Volume pumped, gallons: 23.09
<br /> Bore volumes purged: 6.40
<br /> Sample No. : 1042" 1043°
<br /> * Depth--to--water measurements were conducted from the top :ring of the metal
<br /> locking security cap with the top removed. Initial depth-to-water was 43
<br /> measured 'prior to lowering the pump into the well, final depth-to-water was
<br /> measured with the sampling pump removed from the well. ;.
<br /> + Static water level determined utilizing elevation of top of casing (TOC) as 4
<br /> measured and recorded by Nolte & Assoc. original elevation survey and initial
<br /> depth--to-water measured on April 20, 1987.
<br /> a Routine sample analyzed by APPL Lab.
<br /> b Duplicate sample analyzed by CAL/Tanseco Lab.
<br /> c Sample held, not analyzed,, spare sample, 4,; r
<br /> 41--87-134
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